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At 7:17 AM on the morning of June 30, 1908, a mysterious explosion occurred in the skies over Siberia. It was caused by the impact and breakup of a large meteorite, at an altitude roughly six kilometers in the atmosphere. Realistic pictures of the event are unavailable. However, Russian scientists collected eyewitness accounts of the event. I believe that we now know enough about large impacts to "decode" the subjective descriptions of the witnesses and create realistic views of this historic asteroid impact as seen from different distances.
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February 15, 2013. A meteor crashing in Russia's Ural mountains has injured at least 1200 people, as the shockwave blew out windows and rocked buildings.
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Horizon follows a team of scientists set out to solve the mystery of chunks of ancient glass scattered in a remote part of the Sahara Desert. Their quest takes them on a perilous journey into the Great Sand Sea, the wastes of Siberia and the test site of the world's first atomic bomb in New Mexico. What their search uncovers is a devastating new natural phenomenon.
I thought they were made by lightening hitting the sand
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Vitrified forts or castles exist across northern Europe, particularly in the countries of Scotland, France and Germany... ...nearly 200 vitrified forts found across Europe...
Originally posted by MindBodySpiritComplex
reply to post by mcx1942
Interesting topic. There may be a connection to this:
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Vitrified forts or castles exist across northern Europe, particularly in the countries of Scotland, France and Germany... ...nearly 200 vitrified forts found across Europe...
The vast desert wasteland of southern Saudi Arabia known as the Empty Quarter, or Rub' al Khali in Arabic, is one of the most desolate places on Earth. In 1932, St. John Philby was hunting for a city named Ubar, that the Qur'an describes being destroyed by God for defying the Prophet Hud. Philby transliterated the name of the city as Wabar.
Philby had heard of Bedouin legends of an area called Al Hadida ('place of iron' in Arabic) with ruins of ancient habitations, and also an area where a piece of iron the size of a camel had been found, and so organized an expedition to visit the site. After a month's journey through wastes so harsh that even some of the camels died, on 2 February 1932 Philby arrived at a patch of ground about a half a square kilometer in size, littered with chunks of white sandstone, black glass, and chunks of iron meteorite. Philby identified two large circular depressions partially filled with sand, and three other features that he identified as possible 'submerged craters'. He also mapped the area where the large iron block was reputed to have been found. Philby thought the area a volcano, and it was only after bringing back samples to the UK that the site was identified as that of a meteorite impact by Dr Leonard James Spencer of the British Museum.[2][3][4]
A volcano in the midst of the Rub' al Khali! And below me, as I stood on that hill-top transfixed, lay the twin craters, whose black walls stood up gauntly above the encroaching sand like the battlements and bastions of some great castle. These craters were respectively about 100 and 50 yards in diameter, sunken in the middle but half choked with sand, while inside and outside their walls lay what I took to be lava in great circles where it seemed to have flowed out from the fiery furnace. Further examination revealed the fact that there were three similar craters close by, though these were surmounted by hills of sand and recognizable only by reason of the fringe of blackened slag round their edges.[5]
Amongst the samples of iron, cindery material and silica glass that Philby brought back from the site was a 25 lb chunk of iron. Analysis showed it to be about 90% iron and 5% nickel, with the rest consisting of various elements, including copper, cobalt, and 6 ppm of iridium, an unusually high concentration. This siderophile element implied that the "Wabar" site was a meteorite impact area.
Originally posted by PhoenixOD
I thought they were made by lightening hitting the sand.
Originally posted by Bob Sholtz
reply to post by PhoenixOD
I thought they were made by lightening hitting the sand
i actually have some fulgurite (created when lightning hits sand) and it looks nothing like that.
the two things i know of that can make sand like that are meteors and nuclear explosions. this was probably a meteor.
A significant clue to its nature is provided by an account of the Stone's recovery in 951 AD after it had been stolen 21 years earlier; according to a chronicler, the Stone was identified by its ability to float in water. If this account is accurate, it would rule out the Black Stone being an agate, basalt lava or stony meteorite, though it would be compatible with it being glass or pumice. en.wikipedia.org...
en.wikipedia.org...